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Qu
esti
on
1
5 points
Sa
ve
Determine whether the equation is a function.
y = 3×2 – 4x + 6
function
not a function
Qu
esti
on
2
5 points
Sa
ve
Determine whether the graph is that of a function. If it is, use the
graph to find its domain and range, the intercepts, if any, and any
symmetry with respect to the x-axis, the y-axis, or the origin.
function
domain: {x|x ≤ 0}
range: {y|y ≥ -2}
intercepts: (-2, 0), (0, -2), (2, 0)
symmetry: y-axis
function
domain: all real numbers
range: all real numbers
intercepts: (-2, 0), (0, -2), (2, 0)
symmetry: none
function
domain: {x|x ≥ -2}
range: {y|y ≤ 0}
intercepts: (-2, 0), (0, -2), (2, 0)
symmetry: none
not a function
javascript:saveItem(‘_10021154_1′,’1’)
javascript:saveItem(‘_10021154_1′,’1’)
javascript:saveItem(‘_10021155_1′,’2’)
javascript:saveItem(‘_10021155_1′,’2’)
Qu
esti
on
2
5 points
Sa
ve
Determine whether the graph is that of a function. If it is, use the
graph to find its domain and range, the intercepts, if any, and any
symmetry with respect to the x-axis, the y-axis, or the origin.
function
domain: {x|x ≤ 0}
range: {y|y ≥ -2}
intercepts: (-2, 0), (0, -2), (2, 0)
symmetry: y-axis
function
domain: all real numbers
range: all real numbers
intercepts: (-2, 0), (0, -2), (2, 0)
symmetry: none
function
domain: {x|x ≥ -2}
range: {y|y ≤ 0}
intercepts: (-2, 0), (0, -2), (2, 0)
symmetry: none
not a function
Qu
esti
on
3
5 points
Sa
ve
Answer the question about the given function.
Given the function
f(x) =
, if x = -2, what is f(x)? What point is
on the graph of f?
; ( , -2)
– ; (-2, – )
– ; (- , -2)
; (-2, )
javascript:saveItem(‘_10021155_1′,’2’)
javascript:saveItem(‘_10021155_1′,’2’)
javascript:saveItem(‘_10021156_1′,’3’)
javascript:saveItem(‘_10021156_1′,’3’)
Qu
esti
on
4
5 points
Sa
ve
Solve the problem.
If f(x) = 4×3 + 7×2 – x + C and f(2) = 1, what is the value of C?
C = 7
C = 11
C = 63��C = -57���
Question 5�5 points �Save � �The graph of a fu
nction f is given. Use the graph to answer the question.
Find the numbers, if any, at which f has a local minimum. What are the
local minima?
f has a local minimum at x = -π and π; the local minimum is 2
f has a local minimum at x = 0; the local minimum is -2
f has a local minimum at x = -π; the local minimum is -2
f has no local minimum
javascript:saveItem(‘_10021157_1′,’4’)
javascript:saveItem(‘_10021157_1′,’4’)
javascript:saveItem(‘_10021158_1′,’5’)
Question 5�5 points �Save � �The graph of a fu
nction f is given. Use the graph to answer the question.
Find the numbers, if any, at which f has a local minimum. What are the
local minima?
f has a local minimum at x = -π and π; the local minimum is 2
f has a local minimum at x = 0; the local minimum is -2
f has a local minimum at x = -π; the local minimum is -2
f has no local minimum
Qu
esti
on
6
5 points
Sa
ve
Find the domain of the function.
f(x) =
{x|x ≤ 11}
{x|x ≠ }
{x|x ≠ 11}
{x|x ≤ }
Qu
esti
on
7
5 points
Sa
ve
Solve the problem.
Jacey, a commissioned salesperson, earns $240 base pay plus $40
per item sold. Express Jacey’s gross salary G as a function of the
number x of items sold.
G(x) = 240(x + 40)
G(x) = 40x + 240
G(x) = 40(x + 240)
G(x) = 240x +40
javascript:saveItem(‘_10021158_1′,’5’)
javascript:saveItem(‘_10021159_1′,’6’)
javascript:saveItem(‘_10021159_1′,’6’)
javascript:saveItem(‘_10021160_1′,’7’)
javascript:saveItem(‘_10021160_1′,’7’)
Qu
esti
on
8
5 points
Sa
ve
List the intercepts of the graph.Tell whether the graph is
symmetric with respect to the x-axis, y-axis, origin, or none of
these.
(0, 4) and (0, -4); symmetric to x-axis and y-axis
(0, 4) and (0, -4); symmetric to origin
(0, 4) and (0, -4); symmetric to x-axis, y-axis, and origin
(0, 4) and (0, -4); symmetric to y-axis
Qu
esti
on
9
5 points
Sa
ve
Determine algebraically whether the function is even, odd, or
neither.
f(x) = 2×3
even
odd
neither
javascript:saveItem(‘_10021161_1′,’8’)
javascript:saveItem(‘_10021161_1′,’8’)
javascript:saveItem(‘_10021162_1′,’9’)
javascript:saveItem(‘_10021162_1′,’9’)
Qu
esti
on
9
5 points
Sa
ve
Determine algebraically whether the function is even, odd, or
neither.
f(x) = 2×3
even
odd
neither
Qu
esti
on
10
5 points
Sa
ve
Determine whether the relation represents a function. If it is a
function, state the domain and range.
{(1, -2), (-3, -1), (-3, 0), (-2, 1), (6, 3)}
function
domain: {-2, -1, 0, 1, 3}
range: {1, -2, -3, 6}
function
domain: {1, -2, -3, 6}
range: {-2, -1, 0, 1, 3}
�not a function�
javascript:saveItem(‘_10021162_1′,’9’)
javascript:saveItem(‘_10021162_1′,’9’)
javascript:saveItem(‘_10021163_1′,’10’)
javascript:saveItem(‘_10021163_1′,’10’)
Qu
esti
on
10
5 points
Sa
ve
Determine whether the relation represents a function. If it is a
function, state the domain and range.
{(1, -2), (-3, -1), (-3, 0), (-2, 1), (6, 3)}
function
domain: {-2, -1, 0, 1, 3}
range: {1, -2, -3, 6}
function
domain: {1, -2, -3, 6}
range: {-2, -1, 0, 1, 3}
�not a function��� Question 11�5 points �Save � �The graph o
f a function f is given. Use the graph to answer the question.
Find the numbers, if any, at which f has a local minimum. What are the
local maxima?
f has a local minimum at x = -2.5 and 5; the local minimum at -2.5 is -3.3;
the local minimum at 5 is -2.5
f has a local maximum at x = -3.3 and -2.5; the local maximum at -3.3 is
-2.5; the local maximum at -2.5 is 5
f has a local minimum at x = -3.3 and -2.5; the local minimum at -3.3 is
-2.5; the local minimum at -2.5 is 5
f has a local maximum at x = -2.5 and 5; the local maximum at -2.5 is
-3.3; the local maximum at 5 is -2.5��
Question 12�5 points �Save � �Find t
he value for the function.
Find f(x + 1) when f(x) = .
javascript:saveItem(‘_10021163_1′,’10’)
javascript:saveItem(‘_10021163_1′,’10’)
javascript:saveItem(‘_10021164_1′,’11’)
javascript:saveItem(‘_10021165_1′,’12’)
Question 12�5 points �Save � �Find t
he value for the function.
Find f(x + 1) when f(x) = .
Qu
esti
on
13
5 points
Sa
ve
List the intercepts of the graph.Tell whether the graph is
symmetric with respect to the x-axis, y-axis, origin, or none of
these.
(-1, 0), (0, 0), (1, 0); symmetric to origin, x-axis, and y-axis
(-1, 0), (0, 0), (1, 0); symmetric to origin
(-1, 0), (0, 0), (1, 0); symmetric to y-axis
(-1, 0), (0, 0), (1, 0); symmetric to x-axis
javascript:saveItem(‘_10021165_1′,’12’)
javascript:saveItem(‘_10021166_1′,’13’)
javascript:saveItem(‘_10021166_1′,’13’)
Qu
esti
on
13
5 points
Sa
ve
List the intercepts of the graph.Tell whether the graph is
symmetric with respect to the x-axis, y-axis, origin, or none of
these.
(-1, 0), (0, 0), (1, 0); symmetric to origin, x-axis, and y-axis
(-1, 0), (0, 0), (1, 0); symmetric to origin
(-1, 0), (0, 0), (1, 0); symmetric to y-axis
(-1, 0), (0, 0), (1, 0); symmetric to x-axis
Qu
esti
on
14
5 points
Sa
ve
Solve the problem.
A farmer has 400 yards of fencing to enclose a rectangular garden.
Express the area A of the rectangle as a function of the width x of the
rectangle. What is the domain of A?
A(x) = x2 + 200x; {x|0 < x < 200}
A(x) = -x2 + 200x; {x|0 < x < 200}
A(x) = -x2 + 200x; {x|0 < x < 400}
A(x) = -x2 + 400x; {x|0 < x < 400}
Qu
esti
on
15
5 points
Sa
ve
Determine whether the equation is a function.
y = x2
function
not a function
javascript:saveItem(‘_10021166_1′,’13’)
javascript:saveItem(‘_10021166_1′,’13’)
javascript:saveItem(‘_10021167_1′,’14’)
javascript:saveItem(‘_10021167_1′,’14’)
javascript:saveItem(‘_10021168_1′,’15’)
javascript:saveItem(‘_10021168_1′,’15’)
Qu
esti
on
16
5 points
Sa
ve
Determine algebraically whether the function is even, odd, or
neither.
f(x) =
even
odd���neither��� Question 17�5 points �Save � �Determine alg
ebraically whether the function is
even, odd, or neither.
f(x) = 5×4 – x2
even
odd
neither
Qu
esti
on
18
5 points Save � �For the function, find the average rate of change of f
from 1 to x:
f(x) =
javascript:saveItem(‘_10021169_1′,’16’)
javascript:saveItem(‘_10021169_1′,’16’)
javascript:saveItem(‘_10021170_1′,’17’)
javascript:saveItem(‘_10021171_1′,’18’)
Qu
esti
on
18
5 points Save � �For the function, find the average rate of change of f
from 1 to x:
f(x) =
Qu
esti
on
19
5 points Save � �Determine algebraically whether the function is
even, odd, or neither.
f(x) = -5×2 + 4
even
odd
neither
Qu
esti
on
20
5 points
Sa
ve
Answer the question about the given function.
Given the function f(x) = -3×2 – 6x – 6, is the point (-1, -3) on the graph
of f?
Yes
No
javascript:saveItem(‘_10021171_1′,’18’)
javascript:saveItem(‘_10021172_1′,’19’)
javascript:saveItem(‘_10021173_1′,’20’)
javascript:saveItem(‘_10021173_1′,’20’)
